Tag Archive for 'Equator'

Global distribution of MSIs across 9,179 language varieties from the ASJP database. Color of dots represents the MSI of the language, with redder dots indicating higher and bluer dots indicating lower indices. The fill color of land areas represents the mean annual temperature. Image credit: Wang et al., doi: 10.1093/pnasnexus/pgad384.

Climate Plays Role in Shaping Evolution of Human Languages, New Study Reveals

Dec 5, 2023 by Enrico de Lazaro

Sounds of human languages can be affected by various factors of the natural environment. One such factor is the mean annual temperature. In new research,...

Cooney et al. quantified global latitudinal trends in colorfulness by collating and analysing a photographic dataset of whole-body plumage reflectance information for 4,527 species of passerine birds. Image credit: Sandid.

Passerine Birds are More Colorful Close to Equator, Study Confirms

Apr 6, 2022 by News Staff

An analysis of a photographic dataset for more than 4,500 species of passerine birds shows that male and female birds of tropical passerine species are...